Asageneral rulenormalsaline isemployed whichhasbeenmade upbythehospital dispenser andstored inglass-stoppered hottles. Asthese arenotsterile ontheoutside. theusual procedure isfora nursewhohasnotscrubbed up,topourthesaline intoasterilized undineorcontainer. Indoingthisthereisa.verygoodchance thatshewill contaminate theneckofthebottle withherfingers and soinfect thesolution. Ifitisnotinfected inthiswaythereis everypossibility thatitwill becomesothrough exposure totheair. Thefollo-ing isa simple methodwhichispractically foolproof. Theillustration showsa 4-oz."Americanround" bottle withi a metalscrewcal). Inthetopofthecapthereisa hole9 mm. in diameter whichiscovered bya rubber disk.Thisbottle istw-othirds filled withnormal saline andcanbesterilized inanautoclave or placed ina sterilizer alongwitlh theinstruments before the operation. Whenithesurgeon isreadytoirrigate theanterior chambertwosterile needles arepassed through therubber disk. Oneofthese isalongfine needle wviich should bemorethanhalf thelength ofthecontainer. The secondisa shortwide-bored needleconnected toa length ofrubber tubing ontheotherend ofwhichistheanterior-chamber irrigation nozzle. When the bottle isinvJerted, airpasses inthrough thelongneedle andthe saline runsoutthrough theshortneedle anidalong thetube.Itis necessary tomakesurethattheshortneedle hasasuifficiently wide bore.Ifitistoonarrowtheflowisnotadequiate. Anotheradvantage ofthismethodisthat, ifitisnecessary to irrigate asecondtime, thesaline starts torunimmediately without beingpreceded bynuimerous airbubbles as invariably happens whenusinganundine.